The Big Apple:

An etymological dictionary

Investigating the origins of American words, names, quotations and phrases. Over 41,000 entries.

“U-Haul in Texas is called Yee-Haul”

"Yee-Haul" (yeehaw + U-Haul) is sometimes given for a cowboy/Southern/Texas version of U-Haul. "When you're moving to Texas, it's not a U-Haul, it's a Yee-Haul"…